For the first time, researchers have witnessed the rebirth of an ordinary, slow-rotating pulsar into a superfast millisecond pulsar with an almost infinitely extended lifespan.
scientists have created the first-ever comprehensive computer model of sunspots.
The Mystery of the Missing Sunspots may have been Solved.
A long, deep canyon and remains of beaches are perhaps the clearest evidence of a standing lake on the surface of Mars.
New Mexico Governor Bill Richardson recently broke ground on construction of Spaceport America.
Astronauts are preparing for their most ambitious experiment yet: how to get along in a crowded environment.
About 108 times the earth’s size and cooking at 11,000 degrees, the sun is usually a pretty happening place.
Following a successful mission to upgrade the Hubble Space Telescope, the crew of Space Shuttle Atlantis landed successfully at 8:39 a.m. on Sunday.
U.S. space shuttle 'Atlantis' made a flawless landing at Edwards Air Force base in California.
The shuttle Atlantis crew closed their spaceship's cargo bay doors on Saturday, hoping for...